Concession stand



FIG. 1 is a right front perspective view showing my new design;

FIG. 2 is a left front perspective view;

FIG. 3 is a left side elevational view;

FIG. 4 is a front elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a top plan view; and,

FIG. 7 is a right side elevational view. 

The ornamental design for a concession stand, as shown and described. 